DE120 120cc Twin-Cylinder Air-cooled Gasoline Engine for Industrial UAVs

Description The DE120 is a lightweight yet powerful 120cc twin-cylinder 2-stroke gasoline engine designed for medium-class UAVs. Delivering up to 26.5 kg thrust at 100 m altitude and excellent high-altitude capability of 23.5 kg thrust at 1800 m, the DE120 is optimized for professional applications such as logistics delivery, aerial mapping, inspection, and surveillance. With a weight of only 3.05 kg, it supports UAVs up to 60 kg MTOW, offering one of the best thrust-to-weight ratios in the 120cc category. Its three-bearing crankshaft ensures smooth power delivery and extended durability, making it a top choice for drone manufacturers worldwide.   Core Advantages Twin cylinders — Horizontally opposed layout reduces vibration, improves flight stability and extends engine life. Air-cooled — Lightweight, maintenance-free cooling, suitable for long-endurance operations. Two-stroke power — Higher power density and quick throttle response for demanding missions. Automatic CDI ignition — Smart ignition timing ensures reliable startup and stable combustion. Mixture lubrication — Simpler structure, higher reliability, lower maintenance requirements. Push & pull compatible — Fits widely-used fixed-wing and hybrid VTOL UAV configurations. Technical Specifications — DE120 Brand DE Engine Model DE120 Engine Type Twin-cylinder, 2-stroke, air-cooled Displacement 120 cc Bore × Stroke 45 mm × 35 mm Power Output 11.22 hp / 8.25 kW Static Thrust @100 m 26.5 kg Static Thrust @1800 m 23.5 kg MTOW (Max Take-off Weight) 60 kg Engine Weight 3.05 kg RPM Range 1300–7500 rpm Recommended Propellers 26×10 / 26×12 / 27×10 / 28×10 Crankshaft 3 ball bearings Fuel Consumption 4.5 L/h Lubrication Ratio 25:1 to 30:1 Ignition System Automatic CDI ignition Ignition Voltage 6.0–8.4 V DC Dimensions (L × W × H) 285 × 220 × 222 mm Recommended Applications Medium-range fixed-wing UAVs Hybrid VTOL aircraft (cruise engine) Delivery & logistics drones Border patrol and security platforms Agricultural and mapping UAV missions Why Choose the DE120? Superior efficiency and reliability across global UAV fleets. One of the best thrust-to-weight ratios in the 120 cc class. Low operational cost, high durability, industrial-grade QC. Ideal for long-endurance commercial UAV integration.